OS/2, eCS & ArcaOS - Technical > Setup & Installation

pscom.sys proper way to pass args

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Dan Eicher:
T43, I need to be able to use the built in RS232.

If I enable the port in the bios and pass:
pscom.sys (1,3fa,4) on the command line, the system locks up or panics when sound starts to play on boot up.

How can I resolve?

Roderick Klein:
Why pass along the argument in the first place ? PSCOM should autodetect the serial. Does that not work ?
Also is the serial port only active when connected to a docking station ?

Roderick

Dan Eicher:
Without the parameters, the system locks up first time, sound play is attempted on boot up. (If enabled in BIOS)
Passing parameters like (1,3fa,4) also cause lockup.

RS232 (COM1) is built into the T43, (Enable / Disable) is a BIOS option.

I don't have a docking station.

Roderick Klein:
Its very hard to analyze at a distance this but it sounds at first glance something is wrong with the system. Plenty of people have installed ArcaOS on a T43 without an issue.
I am not saying the system is broken but the behavior is strange.

I checked on google I can not find picture of serial port on the system. However is there a serial port with 9 pins present on your T43 ?

Doug Bissett:

--- Quote ---pscom.sys (1,3fa,4) on the command line
--- End quote ---

This is not correct. The parameters are 1,3F8,4 (DEFAULT, so nothing is needed.  Looking in my BIOS, I found that I had turned off the COM port. I turned it back on, added the PSCOM line:

--- Code: ---DEVICE=C:\OS2\BOOT\PSCOM.SYS
--- End code ---
and it boots fine. No point though, because there is no serial connector, until I attach to a docking station.

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